Suitable for most ES,Such as ES-CST2Q ES-CST2R ES-CST6Q ES-CST6QKT ES-CST6R ES-CST6RKT ES-CST8Q ES-CST8R ES- Serise: ES-ST21 ES-ST23 ES-ST25 ES-ST27 ES-ST29 ES-ST37 ES-ST39 ES-TSTFN ES-ST2N ES-ST2NSS ES-ST2P ES-ST2PKT, etc. Applicable for Serise: ES8101 ES8103 ES8109 ES8111 ES8111P ES8113 ES8115 ES8115P ES8116 ES8119 ES8119P ES8954 ES8954P ES-GA20ES-GA21 ES-GA25 ES-RC70 ES- Serise:ES-ST21 ES-ST23 ES-ST25 ES-ST27 ES-ST29 ES-ST37 ES-ST39 ES-TSTFN ES-ST2N ES-ST2NSS ES-ST2P ES-ST2PKT ES-ST2Q ES-ST2R ES-ST3Q ES-ST6N ES-ST6P ES-ST6Q ES-ST6R ES-ST8N ES-ST8P ES-ST8Q ES-ST8R ES-ST8S ES-ASL1 ES-SL10ES-SL21 ES-SL33 ES-SL41 ES-SL83 ES-WSL3D ES-WSL7D ES-BSL2 ES-BSL4 ES-AST2A ES-LC20 ES-LC50 ES-LL20 ES-LL21 ES-LL40 Replace Foil for an Optimal Shaving Performance: Over time, the foil on your for shaver can wear too thin and cutting parts become dulled. Replacing the foil once every 18 monthes a smooth, comfortable shave every timeThin smooth mesh , tough and at the same time can better fit the curve, comfortable and not hurt the skin.This blades are hypoallergenic, and -honed to a 30° angle for a consistently clean, close and efficient shave while the outer foils uses distinct cutting technologies that work in to provide a close, comfortable shave experience If you have any questions after receiving the package, please contact us to resolve it .Easy to install, simply remove the old foil and attach and snap the foil and built-in blade into place for normal use.After removing the omentum, it can be washed directly with clean water, and then remove the stubble and oil with a small brush, which is simple and convenient. Color: As Shown Material: Alloy Steel Package Contents: 1 * external foil screen 2 * internal blades Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.